the claude code sourcemaps leaked march 31
1import { useCallback, useReducer } from 'react'
2
3export type AnswerValue = string
4
5export type QuestionState = {
6 selectedValue?: string | string[]
7 textInputValue: string
8}
9
10type State = {
11 currentQuestionIndex: number
12 answers: Record<string, AnswerValue>
13 questionStates: Record<string, QuestionState>
14 isInTextInput: boolean
15}
16
17type Action =
18 | { type: 'next-question' }
19 | { type: 'prev-question' }
20 | {
21 type: 'update-question-state'
22 questionText: string
23 updates: Partial<QuestionState>
24 isMultiSelect: boolean
25 }
26 | {
27 type: 'set-answer'
28 questionText: string
29 answer: string
30 shouldAdvance: boolean
31 }
32 | { type: 'set-text-input-mode'; isInInput: boolean }
33
34function reducer(state: State, action: Action): State {
35 switch (action.type) {
36 case 'next-question':
37 return {
38 ...state,
39 currentQuestionIndex: state.currentQuestionIndex + 1,
40 isInTextInput: false,
41 }
42
43 case 'prev-question':
44 return {
45 ...state,
46 currentQuestionIndex: Math.max(0, state.currentQuestionIndex - 1),
47 isInTextInput: false,
48 }
49
50 case 'update-question-state': {
51 const existing = state.questionStates[action.questionText]
52 const newState: QuestionState = {
53 selectedValue:
54 action.updates.selectedValue ??
55 existing?.selectedValue ??
56 (action.isMultiSelect ? [] : undefined),
57 textInputValue:
58 action.updates.textInputValue ?? existing?.textInputValue ?? '',
59 }
60
61 return {
62 ...state,
63 questionStates: {
64 ...state.questionStates,
65 [action.questionText]: newState,
66 },
67 }
68 }
69
70 case 'set-answer': {
71 const newState = {
72 ...state,
73 answers: {
74 ...state.answers,
75 [action.questionText]: action.answer,
76 },
77 }
78
79 if (action.shouldAdvance) {
80 return {
81 ...newState,
82 currentQuestionIndex: newState.currentQuestionIndex + 1,
83 isInTextInput: false,
84 }
85 }
86
87 return newState
88 }
89
90 case 'set-text-input-mode':
91 return {
92 ...state,
93 isInTextInput: action.isInInput,
94 }
95 }
96}
97
98const INITIAL_STATE: State = {
99 currentQuestionIndex: 0,
100 answers: {},
101 questionStates: {},
102 isInTextInput: false,
103}
104
105export type MultipleChoiceState = {
106 currentQuestionIndex: number
107 answers: Record<string, AnswerValue>
108 questionStates: Record<string, QuestionState>
109 isInTextInput: boolean
110 nextQuestion: () => void
111 prevQuestion: () => void
112 updateQuestionState: (
113 questionText: string,
114 updates: Partial<QuestionState>,
115 isMultiSelect: boolean,
116 ) => void
117 setAnswer: (
118 questionText: string,
119 answer: string,
120 shouldAdvance?: boolean,
121 ) => void
122 setTextInputMode: (isInInput: boolean) => void
123}
124
125export function useMultipleChoiceState(): MultipleChoiceState {
126 const [state, dispatch] = useReducer(reducer, INITIAL_STATE)
127
128 const nextQuestion = useCallback(() => {
129 dispatch({ type: 'next-question' })
130 }, [])
131
132 const prevQuestion = useCallback(() => {
133 dispatch({ type: 'prev-question' })
134 }, [])
135
136 const updateQuestionState = useCallback(
137 (
138 questionText: string,
139 updates: Partial<QuestionState>,
140 isMultiSelect: boolean,
141 ) => {
142 dispatch({
143 type: 'update-question-state',
144 questionText,
145 updates,
146 isMultiSelect,
147 })
148 },
149 [],
150 )
151
152 const setAnswer = useCallback(
153 (questionText: string, answer: string, shouldAdvance: boolean = true) => {
154 dispatch({
155 type: 'set-answer',
156 questionText,
157 answer,
158 shouldAdvance,
159 })
160 },
161 [],
162 )
163
164 const setTextInputMode = useCallback((isInInput: boolean) => {
165 dispatch({ type: 'set-text-input-mode', isInInput })
166 }, [])
167
168 return {
169 currentQuestionIndex: state.currentQuestionIndex,
170 answers: state.answers,
171 questionStates: state.questionStates,
172 isInTextInput: state.isInTextInput,
173 nextQuestion,
174 prevQuestion,
175 updateQuestionState,
176 setAnswer,
177 setTextInputMode,
178 }
179}